Aiwa XP-SP30 Service Manual page 11

5-1. BLOCK DIAGRAM
OPTICAL PICK-UP
BLOCK
(DAX-25E)
VCC
VCC2
RF
A
B
E
F
LD Q207
IC201(1/2)
VCC1
APC
MOTOR/COIL DRIVER
GND
22 SEO
PD
SEM
23
VR
F+
48 FO2
FOCUS
C0IL F-
RO2
46
T+
44 FO3
TRACKING
COIL
T-
42 RO3
S+
M902 50 RO1
SLED
M
MOTOR
S-
52 FO1
OPGSW
OPSTB
79 UI
SYNC
78 VI
77 WI
80 COM
2 U_OUT
DATA
M901
SPINDLE
CLOCK
4 V_OUT
MOTOR
XRST
LATCH
6 W_OUT
• Signal Path
: CD
IC402
DSP,DSSP,DAC,
DRAM CONTROLLER
AOUT1 51
84 RFAC
88
RFDC AOUT2 56
92 A
LRMU 61
91 B
89 E
IC403
4M BIT DRAM
90 F
4 1
. .
D0 2
3
D0
. .
47 XTAI
6
D3 24
. . D3
X401
5 25
16.934MHz
48 XTAO
116
9
113
.
12
.
17 A0
A0
14
15
A9
A9
.
18
.
13
5
11
FIN2 58 96 FFDR
XWE 2 3 XWE
XRAS 4 XRAS
1
RIN2 FRDR
57 95
XCAS XCAS
9 23
FIN3
60 98 TFDR
RIN3 59 97 TRDR
21
SQTO_I
FIN1 SFDR 20
56 100 CLOK_I
XLAT_I 23
RIN1 55 99 SRDR XSOE_I 24
IC401
SENS_O 22
COMPARATOR
3 27
SCOR_O
MDP
4 103
PWM
72 65
1 FOK
104 SYNC
R4M 32
34
SYSM_I 25
BRK 70 102 MDS XRST_I 28
39
38
36
40
FG
74
IC301
SYSTEM CONTROLLER
28 CLOSE BEEP_O 30
S303
(OPEN/CLOSE)
PWRSW_O 74
VCPU_2.0V
ON
S304
40 HOLD_I
HOLD
OFF
ON
S305
38 ESP_I
E·A·S·S GP
OFF
17 MSDTO_O
MSCK_O
18
15 XLAT_O
14 XSOE_O
16 MSDTI_I
11 SCOR_I
9 FOK_I
XIN
2
13 AMUTE_O
79 XRESET_O
VCPU_2,0V
75 XPOWLT
AD_BATTMNT 22
72 FG_I 21
AD_CHGMNT
CD_ON 70
S1 - 4
FUNCTION 25 AD_KEY
KEY
RESET_I 8
S5 - 8
FUNCTION 23 AD_KEY_2
KEY
SWITCH
LCD001
XWAKEUP_O 66
56 SEG0
LIQUID
CRYSTAL 42 SEG14
DISPLAY
COM0
60
57 COM3
27
AD_DCINMNT
78 OPGSW_O
77 XOPSTBY_O
11 11
IC701
HEADPHONE AMP
J701
14 LIN LOUT 8
15 RIN ROUT 6
19 MUTE
17 BEEP
20
PWRSW
IC201(2/2)
POWER CONTROL
VM1 53
VCC1 17
VCC1
VM12 49
10 SSW
VM23 45
VM3 41
DCIN_S 64
VCC2 18 VCC2
1
SPVCC1
SPVCC2 5
LG 8
VCC3 11 VCC3
VIN 12
BATM1 68
19 VCPU_2.0V
BATM2 69
VCCO 16
Q204
VCC 20
SWITCH
66 VMMNT
STNG 25
D204
67 CHGMNT
24
SEP
Q202,203
REGB 62
REG
35
RESET_O
D202
DCIN 61
Q206
37 WAKEUP
CHGB 65
DET 63
XP-SP30
RECHARGEABLE
BATTERY
NH-WM2AA
2PCS, 2.4V
OR
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION LR6)
2PCS, 3.0V
J201
DC IN 4.5V
Q201
CHARGE
SWITCH